<script setup lang='ts'>
import GoodsItemVue from './components/goods-item.vue'
import { useRoute } from 'vue-router'
import useStore from '@/store'
import { watchEffect,onUnmounted } from 'vue'
import { storeToRefs } from 'pinia'
const { category, home } = useStore()

const { topCategory } = storeToRefs(category)
// 得到 route 对象
const route = useRoute()
home.getBannerList()
// 为了保存参数改变时，请求也重新发送
// 使用侦听器来侦听数据
// watch(() =>route.params.id, () => {
//   // 得到参数 id
// const id = route.params.id as string
//  //重新请求分类数据
// category.getTopCategory(id)
// },{
//   immediate: true
// })
watchEffect(() => {
    const id = route.params.id as string
    if(route.fullPath === `/category/${id}`){
    category.getTopCategory(id)
    }
})

</script>
<script lang="ts">
export default {
  name: 'Category'
}
</script>

<template>
  <div class="top-category">
    <div class="container">
        <!-- 面包屑导航 -->
        <XtxBread separator=">">
          <XtxBreadItem to="/">首页</XtxBreadItem>
          <XtxBreadItem>{{ category.topCategory.name }}</XtxBreadItem>
        </XtxBread>
          <!-- 轮播图 -->
        <XtxCarousel :slides="home.bannerList" style="height: 500px;"></XtxCarousel>
       <!-- 所有二级分类 -->
        <div class="sub-list">
          <h3>全部分类</h3>
          <ul>
            <li v-for="item in topCategory.children" :key="item.id">
              <a href="javascript:;">
                <img :src="item.picture" />
                <p>{{ item.name }}</p>
              </a>
            </li>
          </ul>
        </div>
         <!-- 商品展示 -->
        <div class="ref-goods" v-for="item in category.topCategory.children" :key="item.id">
          <div class="head">
            <h3>- {{ item.name }} -</h3>
            <p class="tag">温暖柔软，品质之选</p>
            <XtxMore />
          </div>
          <div class="body">
            <GoodsItemVue :good="good" v-for="good in item.goods" :key="good.id" />
          </div>
        </div>
    </div>
  </div>
</template>
<style scoped lang="less">
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }
  .sub-list {
    margin-top: 20px;
    background-color: #fff;
    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;
      li {
        width: 168px;
        height: 160px;
        a {
          text-align: center;
          display: block;
          font-size: 16px;
          img {
            width: 100px;
            height: 100px;
          }
          p {
            line-height: 40px;
          }
          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
}
 .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .xtx-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 65px 30px;
    }
  }
</style>